Unit Structures is a 1966 album by Cecil Taylor released on the Blue Note label. The Allmusic Review by Scott Yanow states "Taylor's high-energy atonalism fit in well with the free jazz of the period but he was actually leading the way rather than being part of a movement... In fact, it could be safely argued that no jazz music of the era approached the ferocity and intensity of Cecil Taylor's". The Penguin Guide to Jazz awarded it four and a half stars, writing "Unit Structures is both as mathematically complex as its title suggests and as rich in colour and sound as the ensemble proposes, with the orchestrally varied sounds of the two bassists — Grimes a strong, elemental driving force, Silva tonally fugitive and mysterious — while Stevens and McIntyre add other hues and Lyons improvises